新增后台导出功能

@@ -51,15 +51,15 @@ class Study extends Backend
             list($where, $sort, $order, $offset, $limit) = $this->buildparams();
             list($where, $sort, $order, $offset, $limit) = $this->buildparams();
 
 
             $list = $this->model
             $list = $this->model
-                    ->with(['school','team'])
-                    ->where($where)
-                    ->order($sort, $order)
-                    ->paginate($limit);
+                ->with(['school', 'team'])
+                ->where($where)
+                ->order($sort, $order)
+                ->paginate($limit);
 
 
             foreach ($list as $row) {
             foreach ($list as $row) {
-                
+
                 $row->getRelation('school')->visible(['title']);
                 $row->getRelation('school')->visible(['title']);
-				$row->getRelation('team')->visible(['title']);
+                $row->getRelation('team')->visible(['title']);
             }
             }
 
 
             $result = array("total" => $list->total(), "rows" => $list->items());
             $result = array("total" => $list->total(), "rows" => $list->items());
@@ -70,65 +70,76 @@ class Study extends Backend
     }
     }
 
 
     //导出数据
     //导出数据
-    public function export(){
+    public function export()
+    {
         if ($this->request->isPost()) {
         if ($this->request->isPost()) {
             set_time_limit(0);
             set_time_limit(0);
             $ids = $this->request->post('ids');
             $ids = $this->request->post('ids');
 
 
             $excel = new \PHPExcel();
             $excel = new \PHPExcel();
-            $excel->getProperties()->setTitle("学校+积分表");
-            $excel->getActiveSheet()->getColumnDimension('A')->setWidth(10);
-            $excel->getActiveSheet()->getColumnDimension('B')->setWidth(10);
-            $excel->getActiveSheet()->getColumnDimension('C')->setWidth(10);
-            $excel->getActiveSheet()->getColumnDimension('D')->setWidth(10);
-            $excel->getActiveSheet()->getColumnDimension('E')->setWidth(15);
-            $excel->getActiveSheet()->getColumnDimension('F')->setWidth(15);
-            $excel->getActiveSheet()->getColumnDimension('G')->setWidth(15);
-            $excel->getActiveSheet()->getColumnDimension('H')->setWidth(10);
-            // 开始操作excel表
-            $worksheet = $excel->setActiveSheetIndex(0)    //操作第一个工作表
-            ->setCellValue('A1','序号')   //设置表格标题名称
-            ->setCellValue('B1','姓名')   //设置表格标题名称
-            ->setCellValue('C1','性别')
-                ->setCellValue('D1','班级')
-                ->setCellValue('E1','学校')
-                ->setCellValue('F1','手环ID')
-                ->setCellValue('G1','学号')
-                ->setCellValue('H1','总积分');
-            if ($ids=='all' || empty($ids)){    //判断当前数据为全部或者选中的
-                $list = $this->model->with('school')->select();
-            }else{
-                $list = $this->model->with('school')->select($ids);
+            try {
+                $excel->getActiveSheet()->getColumnDimension('A')->setWidth(10);
+                $excel->getActiveSheet()->getColumnDimension('B')->setWidth(10);
+                $excel->getActiveSheet()->getColumnDimension('C')->setWidth(10);
+                $excel->getActiveSheet()->getColumnDimension('D')->setWidth(10);
+                $excel->getActiveSheet()->getColumnDimension('E')->setWidth(15);
+                $excel->getActiveSheet()->getColumnDimension('F')->setWidth(15);
+                $excel->getActiveSheet()->getColumnDimension('G')->setWidth(15);
+                $excel->getActiveSheet()->getColumnDimension('H')->setWidth(10);
+
+                // 列名表头文字加粗
+                $excel->getActiveSheet()->getStyle('A1:J1')->getFont()->setBold(true);
+                // 列表头文字居中
+                $excel->getActiveSheet()->getStyle('A1:J1')->getAlignment()
+                    ->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
+
+                // 开始操作excel表
+                $worksheet = $excel->setActiveSheetIndex(0)    //操作第一个工作表
+                ->setCellValue('A1', '序号')   //设置表格标题名称
+                ->setCellValue('B1', '姓名')   //设置表格标题名称
+                ->setCellValue('C1', '性别')
+                    ->setCellValue('D1', '班级')
+                    ->setCellValue('E1', '学校')
+                    ->setCellValue('F1', '手环ID')
+                    ->setCellValue('G1', '学号')
+                    ->setCellValue('H1', '总积分');
+                if ($ids == 'all' || empty($ids)) {    //判断当前数据为全部或者选中的
+                    $list = $this->model->with('school')->select();
+                } else {
+                    $list = $this->model->with('school')->select($ids);
+                }
+
+                foreach ($list as $k => $val) {
+                    $kk = $k + 1;
+                    $k = $k + 2;//表格是从2开始的
+                    $excel->getActiveSheet()->setTitle($val['school']['title'] . '积分表');
+                    $worksheet
+                        ->setCellValue('A' . $k, $val['id'])
+                        ->setCellValue('B' . $k, $val['name'])
+                        ->setCellValue('C' . $k, $val['gender'] ? '男' : '女')
+                        ->setCellValue('D' . $k, $val['grade'])
+                        ->setCellValue('E' . $k, $val['school']['title'])
+                        ->setCellValue('F' . $k, $val['unique'])
+                        ->setCellValue('G' . $k, $val['sno'])
+                        ->setCellValue('H' . $k, $val['earn_score']);
+                }
+                $excel->createSheet();
+                $title = "学生成绩" . date("YmdHis");
+                header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
+                header('Content-Disposition: attachment;filename="' . $title . '.xlsx"');
+                header('Cache-Control: max-age=0');
+                header('Cache-Control: max-age=1');
+
+                header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
+                header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT'); // always modified
+                header('Cache-Control: cache, must-revalidate'); // HTTP/1.1
+                header('Pragma: public'); // HTTP/1.0
+                $objWriter = \PHPExcel_IOFactory::createWriter($excel, 'Excel2007');
+                $objWriter->save('php://output');
+            } catch (\PHPExcel_Exception $e) {
+                $this->error('参数错误', $e->getMessage());
             }
             }
-
-            foreach ($list as $k => $val){
-                $k = $k + 2;//表格是从2开始的
-                $worksheet
-                    ->setCellValue('A'.$k,$val['id'])
-                    ->setCellValue('B'.$k,$val['name'])
-                    ->setCellValue('C'.$k,$val['gender']?'男':'女')
-                    ->setCellValue('D'.$k,$val['grade'])
-                    ->setCellValue('E'.$k,$val['school']['title'])
-                    ->setCellValue('F'.$k,$val['unique'])
-                    ->setCellValue('G'.$k,$val['sno'])
-                    ->setCellValue('H'.$k,$val['earn_score']);
-            }
-
-            $excel->createSheet();
-            $title = "学生成绩记录" . date("YmdHis");
-            header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
-            header('Content-Disposition: attachment;filename="' . $title . '.xlsx"');
-            header('Cache-Control: max-age=0');
-            header('Cache-Control: max-age=1');
-
-            header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
-            header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT'); // always modified
-            header('Cache-Control: cache, must-revalidate'); // HTTP/1.1
-            header('Pragma: public'); // HTTP/1.0
-            $objWriter = \PHPExcel_IOFactory::createWriter($excel, 'Excel2007');
-            $objWriter->save('php://output');
             exit;
             exit;
-            return;
         }
         }
     }
     }
 }
 }